What are ISAPI filters used for?
Filters. ISAPI filters are used to modify or enhance the functionality provided by IIS. They always run on an IIS server and filter every request until they find one they need to process. Filters can be programmed to examine and modify both incoming and outgoing streams of data.
What are ISAPI extensions?
An ISAPI extension is a regular DLL file that exposes 3 special functions that is called by the calling process (i.e., IIS) and therefore, will be loaded to memory once, no matter how many clients are going to use it at the same time.
What does ISAPI stand for?
Internet Server API
What Does Internet Server API (ISAPI) Mean? An Internet server API (ISAPI) is a set of ready-made Windows program calls that developers and programmers can use in order create custom enhancements or extensions to ISAPI-compliant HTTP servers or web servers.
How do I add an ISAPI module to IIS?
In the Web Server (IIS) pane, scroll to the Role Services section, and then click Add Role Services. On the Select Role Services page of the Add Role Services Wizard, select ISAPI Filters, and then click Next. On the Confirm Installation Selections page, click Install. On the Results page, click Close.
What is ISAPI and CGI?
The major difference between ISAPI and CGI is that CGI is executed in separate processes for each request, but ISAPI generates a thread within a common address space in Web Servers and is executed in a multithreaded environment .
What is ISAPI security?
Security for ISAPI extensions is derived from the Microsoft Windows security model. Before successfully serving any request, IIS verifies the impersonation token of the authenticated user against the ACL of the resource being requested.
How do I install ISAPI extensions?
On the Server Roles page, expand Web Server (IIS), expand Web Server, expand Application Deelopment, and then select CGI or ISAPI Extensions. Click Next. On the Select features page, click Next. On the Confirm installation selections page, click Install.
How do I enable ISAPI DLL handler mapping?
First, I open the Internet Information Services Manager console. I then select the default Web site and open Handler Mappings. I right-click ISAPI-dll in the Disabled section, select Edit Feature Permissions, and place a checkmark next to Execute.
What is CGI in asp net?
A CGI program is any program designed to accept and return data that conforms to the CGI specification. The program could be written in any programming language, including C, Perl, Java, or Visual Basic or ASP.NET. CGI programs are the most common way for Web servers to interact dynamically with users.
What is worker process?
Worker processes provide the execution environment for all web sites and applications configured in IIS. Valuable information such as CPU utilization and memory footprint can be obtained from the API to help monitor the health of worker processes and the web server.
How do I enable ISAPI extensions in Windows 10?
Check that you have installed the “ISAPI Extensions” feature. Click on the website and select “Handler Mappings” and add the module (or you can enable all if that is reasonable for your case. Select the “Edit Feature Settings” from the Right pane(Actions) and enable read, script, and execute.
How do I install ISAPI extensions in Windows 2016?
What is an application in IIS 7?
Additionally, in IIS 7 and above, the concept of an application now has meaning to both IIS and the technologies that extend IIS functionality. An application is an object important to the server at runtime.
What protocols can be used in IIS 7?
In IIS 7 and above, bindings can apply to any protocol. The Windows Process Activation Service (WAS) is the new service that makes it possible for IIS to use additional protocols.
What can I do with IIS?
In IIS, you can create sites, applications, and virtual directories to share information with users over the Internet, an intranet, or an extranet.
What is a site in IIS 6?
As in IIS 6.0, a site contains all the content, both static and dynamic, that is associated with that site. However, each site must contain at least one application, which is named the root application.